package com.atguigu.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;

/**
 * @author : wenchao.long
 * @date : Created in 2020/12/17 20:13:43 周四
 * @description : 服务熔断
 */
@Service
public class PaymentFuseService {

    @HystrixCommand(fallbackMethod = "paymentCircuitBreakerFallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),   //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),  //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"), //失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(Integer id) {
        if (id < 0) {
            throw new RuntimeException("*****id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName() + "\t" + "调用成功,流水号：" + serialNumber;
    }

    public String paymentCircuitBreakerFallback(Integer id) {
        return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " + id;
    }
}
